Skull accessory for a motorcycle fender



FIG. 1 is a front elevation view of a skull accessory for a motorcycle fender showing my new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a right elevation view thereof;

FIG. 4 is a left elevation view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines in FIGS. 2 and 6 are boundary lines which indicate that the bottom surface of the skull accessory for a motorcycle fender form no part of the claimed design. 

The ornamental design for a skull accessory for a motorcycle fender, as shown and described. 